10 Best Exterior Waterproof Sealant Of 2022 – Review And Buying Guide

Finding the best exterior waterproof sealant that will meet all your needs can be a bit of a challenge, even for the most seasoned expert. While many companies still create good exterior waterproof sealants, the market has turned its attention toward advanced models that carry higher price points.

In our quest to find the most suitable models, we focused on features like comfort, adjustability, and durability. We recommend you take a close look at each product we listed here and see the features you need for your personal use.

Keep reading to learn more…

Top 10 exterior waterproof sealant : Editor’s Pick

10 Best exterior waterproof sealant Reviews:

1. Liquid Rubber Concrete Foundation and Basement Sealant – Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon

Features :

  • PROTECTIVE FINISH FOR – Foundations, ICF’s, Basements, Shower Liners, Deck and Fence Posts, Planter Boxes, Metal, Wood, Concrete and more
  • HIGHLY FLEXIBLE – Sealant final membrane has over 900% elongation in the sealing material preventing adhesion failure causing cracks and taring. Flat/Ponding Surface: 50 sq ft/G per coat
  • EASY TO APPLY – No mixing required! Apply by brush, roller or high quality piston paint sprayer. Container can be closed and left over material used later. No pot life or working time like 2 component products
  • ENVIRONMENTALLY FRIENDLY – Liquid Rubber Foundation Sealant is water based, containing no solvents, VOC’s or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
  • FOR A BULLETPROOF SYSTEM – Bridge joints, seams, vents, gaps, protrusions…. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur

Additional Info :

Color Black
Item Dimensions
Height 16
Width 12
Length 12
Weight 43.651527876

2. L R Liquid Rubber Waterproof Sealant – Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 1 Quart

Features :

  • PROTECTIVE FINISH FOR – Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more
  • HIGHLY FLEXIBLE & DURABLE – Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product
  • COVERAGE – Vertical Surfaces – 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces – 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
  • ENVIRONMENTALLY FRIENDLY – Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC’s or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
  • FOR A BULLETPROOF SYSTEM – Bridge joints, seams, vents, gaps, protrusions…. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur

Additional Info :

Color Original Black
Item Dimensions
Height 5.5
Width 4.5
Length 4.5
Weight 2

3. DAP Ultra Clear Kit -10.1 oz Flexible All Purpose Waterproof Sealant. Clearer Than Silicone, Paintable, Interiors and Exteriors. Includes 6 Ultra Clear Tubes, Applicator Gun

Features :

  • DAP ULTRA CLEAR is an all-purpose, ultra elastic, ultra clear sealant for sealing and patching a wide variety of surfaces and projects. It is clearer than silicone and doesn’t yellow, crack, crumble, chalk or break down over time, providing a 100% waterproof and weatherproof seal.
  • ULTRA CLEAR does not yellow and is clearer than silicone. It adheres to wet or damp surfaces, is water/rain ready immediately and has strong multi-surface adhesion. ULTRA CLEAR stays flexible and crackproof even in cold weather, for a long-lasting durable seal.
  • ULTRA CLAER is paintable and suitable for interior and exterior use. Ideal for windows, doors, siding, trim, gutters, flashing, roof penetrations, shingles, eaves, ducts, vents, skylights, sinks, showers, tubs, and countertops.
  • KIT INCLUDES: DAP ULTRA CLEAR 10.1 oz Tubes (6) and AWF PRO Caulk Gun (1).
  • CLEAN UP with a damp cloth or sponge before it skins over. Cured sealant must be cut or scraped away.

Additional Info :

Item Dimensions
Weight 0.63125

4. Kiwi Camp Dry Heavy Duty Water Repellent (1 – 10.5 oz cans)

Features :

  • Kiwi Camp Dry Heavy Duty Water Repellent

Additional Info :

Color Clear
Item Dimensions
Height 8
Width 2.617
Length 2.617
Weight 0.65625
Release Date 2016-10-01T00:00:01Z

5. Gorilla Waterproof Caulk & Seal100% Silicone Sealant, 2.8oz Squeeze Tube, Clear (Pack of 1)

Features :

  • SEALS OUT WATER, AIR & MOISTURE
  • 30 MINUTE WATER READY
  • INDOOR/OUTDOOR: All Weather
  • 100% WATERPROOF
  • WON’T YELLOW, SHRINK OR CRACK
  • AVAILABLE IN CLEAR AND WHITE
  • GREAT FOR: Kitchen, Bath, Window, Door, Plumbing, Gutters, Auto, Marine and more.

Additional Info :

Color Clear
Item Dimensions
Height 7.63
Width 3.75
Length 1.41
Weight 0.23

6. DAP Products-DP18387 Ultra Clear Flexible All Purpose Waterproof Sealant, 5.0 Fl Oz

Features :

  • 100% waterproof & weatherproof
  • Clearer than silicone, non-yellowing
  • Immediate water ready – won’t wash out
  • Strong, multi-surface adhesion
  • Exterior/interior use

Additional Info :

Color Crystal Clear

7. Gorilla Waterproof Caulk & Seal 100% Silicone Sealant, 10oz Cartridge, Clear (Pack of 1)

Features :

  • SEALS OUT WATER, AIR & MOISTURE
  • 30 MINUTE WATER READY
  • INDOOR/OUTDOOR: All Weather
  • 100% WATERPROOF
  • WON’T YELLOW, SHRINK OR CRACK
  • AVAILABLE IN CLEAR AND WHITE
  • GREAT FOR: Kitchen, Bath, Window, Door, Plumbing, Gutters, Auto, Marine and more!**

Additional Info :

Color Clear
Item Dimensions
Height 1.5
Width 1.5
Length 10
Weight 0.01

8. Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1

Features :

  • Sensor-Safe, General Purpose Black Rtv Indoor/Outdoor Sealant
  • Seals, Bonds, Repairs, Mends And Secures Glass, Metal, Plastics, Fabric, Vinyl, Weather Stripping And Vinyl Tops
  • Waterproof And Flexible; Resists Water, Weather, And Vibration. Note: Surfaces Being Bonded May Need Clamping For 1 Hour Or Until Silicone Is Firm
  • Temperature Range: -75°F To 450°F (-59°C To 232°C)

Additional Info :

Color Black
Item Dimensions
Height 2
Width 4
Length 8
Weight 0.24

9. Gorilla Waterproof Caulk & Seal100% Silicone Sealant, 2.8oz Squeeze Tube, White (Pack of 1)

Features :

  • SEALS OUT WATER, AIR & MOISTURE
  • 30 MINUTE WATER READY
  • INDOOR/OUTDOOR: All Weather
  • 100% WATERPROOF
  • WON’T YELLOW, SHRINK OR CRACK
  • AVAILABLE IN CLEAR AND WHITE
  • GREAT FOR: Kitchen, Bath, Window, Door, Plumbing, Gutters, Auto, Marine and more!**

Additional Info :

Color White
Item Dimensions
Height 7
Width 3
Length 1
Weight 0.23

10. Roxil Wood Protection Cream Instant Waterproofing Clear Treatment, Weatherproofs: Fences, Decking, Furniture, Sheds (1 Quart)

Features :

  • ✅ Weatherproofs wood for 10 years – Shower-proof application – Instantly Waterproofs
  • ✅ Reduces water uptake for improved resistance to warping and cracking
  • ✅ Breathable, Colourless Protection – Creates an invisible waterproof barrier that protects the wood.
  • ✅ One coat application by brush or roller, no drip formulation. Effective on softwoods and weathered hardwoods.
  • ✅ Roxil Wood Protection Cream will cover approximately 130 to 200 sq. ft. per gallon

Additional Info :

Buying Guide: What to Consider When Select exterior waterproof sealant

Price

How much should you expect to spend on a product like this? Is it a one-off cost, or is there some kind of recurring element?

When it comes to exterior waterproof sealant, a great value can come in many different forms. It could be a lower price, impeccable construction, and design, or higher durability. We’ll cover all of these different factors below, where we’re sharing our top picks for the best exterior waterproof sealant for the money. We’ll go over everything consumers should know to get a great value out of their exterior waterproof sealant!

Durability 

The phrase “people get what they pay for” is especially true when it comes to exterior waterproof sealant. The range in durability from person to person can be pretty substantial depending on the materials used in the construction. If someone saves $100 on a exterior waterproof sealant, but it wears out in 1 month, are they really getting a good value?

Compare that to a exterior waterproof sealant that costs $50 more but wears out after 1 or 2 years. Most people would argue that the second option is the better deal over the long term. Before purchasing, you should consider how long you want to have the exterior waterproof sealant and then read reviews to make sure you know how long you can expect it to last.

Consider Where You Purchase 

 

A vast majority of people now buy their exterior waterproof sealant online rather than going to a brick-and-mortar physical location. That’s largely because online shopping offers greater convenience, and many brick-and-mortar stores can be confusing when it comes to their models, pricing, and types.

While people can’t try out an online exterior waterproof sealant the way they can in a store, brands often come with generous trials. These allow people to try out the exterior waterproof sealant for a while and return it if they’re unhappy.

In addition, many online exterior waterproof sealant are more affordable than their in-store counterparts, because they have less overhead and have cut out the middlemen to pass savings directly to the consumer. If you purchase online, make sure to check to see if they will have to pay extra for shipping or not. A lot of the new companies offer free shipping, but not all.

Types of exterior waterproof sealant

Before even thinking about all the different exterior waterproof sealant available,  You should choose the product types that will be ideal for your task.

Design

Choosing a product based on a design that people will love can be tough. Just because you might like the look and style of it, doesn’t mean it’s the best. Below are some steps you can follow that I’ve used in the past when making decisions on which product designs to choose. Today, a lot of e-commerce sites have the same products. Naturally, it means people use product photos and videos to find the best item. Some of the tips in this article will help you choose or design a successful product.

  • Dimensions. How big are these products?
  • Materials. What are they made from? Is there an advantage to choosing one material over another?
  • Generic characteristics. What sort of features do products in this category include?
  • Product-specific functionality. Do certain products have key characteristics that others don’t? 
  • “Vs.” comparisons. Wireless or wired? Portable or desktop? Metal or wood? These are the key A/B-style decisions typically made early in the buying process.

The Verdict

Finally, we hope that our reviews about these exterior waterproof sealants will help you to choose your ideal product available on the maker. The question remains, how many of these exterior waterproof sealant will you use and how often? Some manufacturers come out with newer exterior waterproof sealant every few months. This is because they know that people want the better exterior waterproof sealant. It’s all a matter of choice and your budget. The good news is that the features of good exterior waterproof sealant tend to trickle down in price. If you start off with a cheaper version, chances are you can afford the more advanced versions of it a few months later.